1951400612 has 36 divisors (see below), whose sum is σ = 3925224576. Its totient is φ = 831536640.

The previous prime is 1951400597. The next prime is 1951400657. The reversal of 1951400612 is 2160041591.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1042037 + ... + 1043907.

It is an arithmetic number, because the mean of its divisors is an integer number (109034016).

Almost surely, 2^1951400612 is an apocalyptic number.

It is an amenable number.

1951400612 is an abundant number, since it is smaller than the sum of its proper divisors (1973823964).

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

1951400612 is a wasteful number, since it uses less digits than its factorization.

1951400612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1951400612 is about 44174.6602929779. The cubic root of 1951400612 is about 1249.6320222445.

The spelling of 1951400612 in words is "one billion, nine hundred fifty-one million, four hundred thousand, six hundred twelve".