10172804240 has 20 divisors (see below), whose sum is σ = 23651770044. Its totient is φ = 4069121664.

The previous prime is 10172804209. The next prime is 10172804261. The reversal of 10172804240 is 4240827101.

It can be written as a sum of positive squares in 2 ways, for example, as 7930971136 + 2241833104 = 89056^2 + 47348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×10172804240² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63579947 + ... + 63580106.

Almost surely, 2^10172804240 is an apocalyptic number.

10172804240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10172804240 is an abundant number, since it is smaller than the sum of its proper divisors (13478965804).

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

10172804240 is a wasteful number, since it uses less digits than its factorization.

10172804240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127160066 (or 127160060 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 10172804240 in words is "ten billion, one hundred seventy-two million, eight hundred four thousand, two hundred forty".