1400463512 has 64 divisors (see below), whose sum is σ = 3127680000. Its totient is φ = 587374368.

The previous prime is 1400463481. The next prime is 1400463521. The reversal of 1400463512 is 2153640041.

It is a super-2 number, since 2×1400463512² = 3922596096886748288, 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 15 ways as a sum of consecutive naturals, for example, 123539 + ... + 134397.

It is an arithmetic number, because the mean of its divisors is an integer number (48870000).

Almost surely, 2^1400463512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400463512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563840000).

1400463512 is an abundant number, since it is smaller than the sum of its proper divisors (1727216488).

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

1400463512 is a wasteful number, since it uses less digits than its factorization.

1400463512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10933 (or 10915 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1400463512 is about 37422.7672947899. The cubic root of 1400463512 is about 1118.8123869707.

The spelling of 1400463512 in words is "one billion, four hundred million, four hundred sixty-three thousand, five hundred twelve".