1400790064 has 20 divisors (see below), whose sum is σ = 2721203560. Its totient is φ = 698544000.

The previous prime is 1400790047. The next prime is 1400790101. The reversal of 1400790064 is 4600970041.

It is a super-2 number, since 2×1400790064² = 3924425606802248192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109437 + ... + 121564.

It is an arithmetic number, because the mean of its divisors is an integer number (136060178).

Almost surely, 2^1400790064 is an apocalyptic number.

It is an amenable number.

1400790064 is a deficient number, since it is larger than the sum of its proper divisors (1320413496).

1400790064 is a wasteful number, since it uses less digits than its factorization.

1400790064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231388 (or 231382 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1400790064 is about 37427.1300529442. The cubic root of 1400790064 is about 1118.8993396180.

The spelling of 1400790064 in words is "one billion, four hundred million, seven hundred ninety thousand, sixty-four".