3835520355172 has 24 divisors (see below), whose sum is σ = 7382872399392. Its totient is φ = 1743418340840.

The previous prime is 3835520355127. The next prime is 3835520355187. The reversal of 3835520355172 is 2715530255383.

It is a super-2 number, since 2×3835520355172² (a number of 26 digits) contains 22 as substring.

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, 360205078 + ... + 360215725.

It is an arithmetic number, because the mean of its divisors is an integer number (307619683308).

Almost surely, 2^{3835520355172} is an apocalyptic number.

It is an amenable number.

3835520355172 is a deficient number, since it is larger than the sum of its proper divisors (3547352044220).

3835520355172 is a wasteful number, since it uses less digits than its factorization.

3835520355172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720420840 (or 720420816 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 3835520355172 in words is "three trillion, eight hundred thirty-five billion, five hundred twenty million, three hundred fifty-five thousand, one hundred seventy-two".