1400424560 has 40 divisors (see below), whose sum is σ = 3286436976. Its totient is φ = 554931200.

The previous prime is 1400424551. The next prime is 1400424601. The reversal of 1400424560 is 654240041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1400424560² = 3922377896502387200, which contains 22 as substring.

It is a congruent number.

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, 73241 + ... + 90360.

Almost surely, 2^1400424560 is an apocalyptic number.

1400424560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400424560 is an abundant number, since it is smaller than the sum of its proper divisors (1886012416).

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

1400424560 is a wasteful number, since it uses less digits than its factorization.

1400424560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163721 (or 163715 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1400424560 is about 37422.2468593215. The cubic root of 1400424560 is about 1118.8020141230.

The spelling of 1400424560 in words is "one billion, four hundred million, four hundred twenty-four thousand, five hundred sixty".