10151440 has 80 divisors (see below), whose sum is σ = 26123328. Its totient is φ = 3644928.

The previous prime is 10151417. The next prime is 10151473. The reversal of 10151440 is 4415101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44607 + ... + 44833.

Almost surely, 2^10151440 is an apocalyptic number.

10151440 is a gapful number since it is divisible by the number (10) 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 10151440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13061664).

10151440 is an abundant number, since it is smaller than the sum of its proper divisors (15971888).

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

10151440 is a wasteful number, since it uses less digits than its factorization.

10151440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 10151440 is about 3186.1324517352. The cubic root of 10151440 is about 216.5255833667.

Adding to 10151440 its reverse (4415101), we get a palindrome (14566541).

The spelling of 10151440 in words is "ten million, one hundred fifty-one thousand, four hundred forty".