1400465452 has 24 divisors (see below), whose sum is σ = 2639806400. Its totient is φ = 647949456.

The previous prime is 1400465431. The next prime is 1400465461. The reversal of 1400465452 is 2545640041.

It is a happy number.

It is a super-2 number, since 2×1400465452² = 3922606964491128608, which contains 22 as substring.

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, 211002 + ... + 217537.

Almost surely, 2^1400465452 is an apocalyptic number.

It is an amenable number.

1400465452 is a deficient number, since it is larger than the sum of its proper divisors (1239340948).

1400465452 is a wasteful number, since it uses less digits than its factorization.

1400465452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428605 (or 428603 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1400465452 is about 37422.7932148310. The cubic root of 1400465452 is about 1118.8129035842.

The spelling of 1400465452 in words is "one billion, four hundred million, four hundred sixty-five thousand, four hundred fifty-two".