40153776 has 80 divisors (see below), whose sum is σ = 112596960. Its totient is φ = 12257280.

The previous prime is 40153721. The next prime is 40153781. The reversal of 40153776 is 67735104.

It is a super-2 number, since 2×40153776² = 3224651454116352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 142756 + ... + 143036.

It is an arithmetic number, because the mean of its divisors is an integer number (1407462).

Almost surely, 2^40153776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40153776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56298480).

40153776 is an abundant number, since it is smaller than the sum of its proper divisors (72443184).

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

40153776 is a wasteful number, since it uses less digits than its factorization.

40153776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 40153776 is about 6336.7007188284. The cubic root of 40153776 is about 342.4328843573.

The spelling of 40153776 in words is "forty million, one hundred fifty-three thousand, seven hundred seventy-six".