10032040 has 32 divisors (see below), whose sum is σ = 23901480. Its totient is φ = 3776512.

The previous prime is 10032037. The next prime is 10032041. The reversal of 10032040 is 4023001.

10032040 = T₁₂₄ + T₁₂₅ + ... + T₃₉₅.

It can be written as a sum of positive squares in 4 ways, for example, as 9036036 + 996004 = 3006^2 + 998^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10032041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6697 + ... + 8056.

Almost surely, 2^10032040 is an apocalyptic number.

10032040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10032040 is an abundant number, since it is smaller than the sum of its proper divisors (13869440).

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

10032040 is a wasteful number, since it uses less digits than its factorization.

10032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14781 (or 14777 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10032040 is about 3167.3395776266. The cubic root of 10032040 is about 215.6733173246.

Adding to 10032040 its reverse (4023001), we get a palindrome (14055041).

The spelling of 10032040 in words is "ten million, thirty-two thousand, forty".