88403040 has 144 divisors (see below), whose sum is σ = 329159376. Its totient is φ = 21427200.

The previous prime is 88403017. The next prime is 88403057. The reversal of 88403040 is 4030488.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 88402995 and 88403013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13050 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (2285829).

Almost surely, 2^88403040 is an apocalyptic number.

88403040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88403040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164579688).

88403040 is an abundant number, since it is smaller than the sum of its proper divisors (240756336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88403040 is a wasteful number, since it uses less digits than its factorization.

88403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5602 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 88403040 is about 9402.2890829840. The cubic root of 88403040 is about 445.4740393069.

It can be divided in two parts, 8 and 8403040, that added together give a palindrome (8403048).

The spelling of 88403040 in words is "eighty-eight million, four hundred three thousand, forty".