1400464620 has 48 divisors (see below), whose sum is σ = 4357002720. Its totient is φ = 373457088.

The previous prime is 1400464613. The next prime is 1400464621. The reversal of 1400464620 is 264640041.

1400464620 is a `hidden beast` number, since 14 + 0 + 0 + 4 + 646 + 2 + 0 = 666.

It is a super-2 number, since 2×1400464620² = 3922602303743488800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1400464621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296187 + ... + 1297266.

It is an arithmetic number, because the mean of its divisors is an integer number (90770890).

Almost surely, 2^1400464620 is an apocalyptic number.

1400464620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400464620 is an abundant number, since it is smaller than the sum of its proper divisors (2956538100).

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

1400464620 is a wasteful number, since it uses less digits than its factorization.

1400464620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593471 (or 2593463 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1400464620 is about 37422.7820986094. The cubic root of 1400464620 is about 1118.8126820263.

The spelling of 1400464620 in words is "one billion, four hundred million, four hundred sixty-four thousand, six hundred twenty".