10404032240 has 80 divisors (see below), whose sum is σ = 27658229760. Its totient is φ = 3565390080.

The previous prime is 10404032239. The next prime is 10404032281. The reversal of 10404032240 is 4223040401.

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 (20).

It is a congruent number.

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, 1878275 + ... + 1883805.

It is an arithmetic number, because the mean of its divisors is an integer number (345727872).

Almost surely, 2^10404032240 is an apocalyptic number.

10404032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10404032240 is an abundant number, since it is smaller than the sum of its proper divisors (17254197520).

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

10404032240 is a wasteful number, since it uses less digits than its factorization.

10404032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910 (or 8904 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10404032240 its reverse (4223040401), we get a palindrome (14627072641).

The spelling of 10404032240 in words is "ten billion, four hundred four million, thirty-two thousand, two hundred forty".