1400455432 has 8 divisors (see below), whose sum is σ = 2625853950. Its totient is φ = 700227712.

The previous prime is 1400455421. The next prime is 1400455453. The reversal of 1400455432 is 2345540041.

It can be written as a sum of positive squares in only one way, i.e., 1034651556 + 365803876 = 32166^2 + 19126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1400455432² = 3922550834036613248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400455432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87528457 + ... + 87528472.

Almost surely, 2^1400455432 is an apocalyptic number.

It is an amenable number.

1400455432 is a deficient number, since it is larger than the sum of its proper divisors (1225398518).

1400455432 is a wasteful number, since it uses less digits than its factorization.

1400455432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175056935 (or 175056931 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1400455432 is about 37422.6593389620. The cubic root of 1400455432 is about 1118.8102352970.

Adding to 1400455432 its reverse (2345540041), we get a palindrome (3745995473).

The spelling of 1400455432 in words is "one billion, four hundred million, four hundred fifty-five thousand, four hundred thirty-two".