1900556712 has 48 divisors (see below), whose sum is σ = 5173508340. Its totient is φ = 630298368.

The previous prime is 1900556663. The next prime is 1900556717. The reversal of 1900556712 is 2176550091.

1900556712 is a `hidden beast` number, since 1 + 90 + 0 + 5 + 567 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1749414276 + 151142436 = 41826^2 + 12294^2 .

It is a super-2 number, since 2×1900556712² = 7224231631056501888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1900556717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52813 + ... + 81180.

Almost surely, 2^1900556712 is an apocalyptic number.

1900556712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1900556712 is an abundant number, since it is smaller than the sum of its proper divisors (3272951628).

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

1900556712 is a wasteful number, since it uses less digits than its factorization.

1900556712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134202 (or 134195 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 1900556712 is about 43595.3748922979. The cubic root of 1900556712 is about 1238.6832866789.

The spelling of 1900556712 in words is "one billion, nine hundred million, five hundred fifty-six thousand, seven hundred twelve".