1400052512 has 12 divisors (see below), whose sum is σ = 2756353446. Its totient is φ = 700026240.

The previous prime is 1400052491. The next prime is 1400052547. The reversal of 1400052512 is 2152500041.

It can be written as a sum of positive squares in only one way, i.e., 1396068496 + 3984016 = 37364^2 + 1996^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21875789 + ... + 21875852.

Almost surely, 2^1400052512 is an apocalyptic number.

It is an amenable number.

1400052512 is a deficient number, since it is larger than the sum of its proper divisors (1356300934).

1400052512 is an equidigital number, since it uses as much as digits as its factorization.

1400052512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43751651 (or 43751643 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1400052512 is about 37417.2755822762. The cubic root of 1400052512 is about 1118.7029287146.

Adding to 1400052512 its reverse (2152500041), we get a palindrome (3552552553).

The spelling of 1400052512 in words is "one billion, four hundred million, fifty-two thousand, five hundred twelve".