1406464056525 has 96 divisors (see below), whose sum is σ = 2621019672576. Its totient is φ = 659309760000.

The previous prime is 1406464056521. The next prime is 1406464056541. The reversal of 1406464056525 is 5256504646041.

It is a happy number.

It is not a de Polignac number, because 1406464056525 - 2² = 1406464056521 is a prime.

It is a super-2 number, since 2×1406464056525² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406464056521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28030710 + ... + 28080840.

It is an arithmetic number, because the mean of its divisors is an integer number (27302288256).

Almost surely, 2^{1406464056525} is an apocalyptic number.

1406464056525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1406464056525 is a deficient number, since it is larger than the sum of its proper divisors (1214555616051).

1406464056525 is a wasteful number, since it uses less digits than its factorization.

1406464056525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51283 (or 51278 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 1406464056525 in words is "one trillion, four hundred six billion, four hundred sixty-four million, fifty-six thousand, five hundred twenty-five".