1612256040 has 96 divisors (see below), whose sum is σ = 5351374080. Its totient is φ = 420782976.

The previous prime is 1612256017. The next prime is 1612256057. The reversal of 1612256040 is 406522161.

1612256040 is a `hidden beast` number, since 1 + 61 + 2 + 2 + 560 + 40 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1612255995 and 1612256013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30724 + ... + 64563.

It is an arithmetic number, because the mean of its divisors is an integer number (55743480).

Almost surely, 2^1612256040 is an apocalyptic number.

1612256040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612256040 is an abundant number, since it is smaller than the sum of its proper divisors (3739118040).

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

1612256040 is a wasteful number, since it uses less digits than its factorization.

1612256040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95351 (or 95344 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1612256040 is about 40152.9082383829. The cubic root of 1612256040 is about 1172.5859087842.

The spelling of 1612256040 in words is "one billion, six hundred twelve million, two hundred fifty-six thousand, forty".