10157240 has 32 divisors (see below), whose sum is σ = 23474880. Its totient is φ = 3952512.

The previous prime is 10157239. The next prime is 10157269. The reversal of 10157240 is 4275101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (733590).

Almost surely, 2^10157240 is an apocalyptic number.

10157240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10157240 is an abundant number, since it is smaller than the sum of its proper divisors (13317640).

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

10157240 is a wasteful number, since it uses less digits than its factorization.

10157240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10157240 is about 3187.0425161896. The cubic root of 10157240 is about 216.5668126335.

The spelling of 10157240 in words is "ten million, one hundred fifty-seven thousand, two hundred forty".