1400428468 has 6 divisors (see below), whose sum is σ = 2450749826. Its totient is φ = 700214232.

The previous prime is 1400428453. The next prime is 1400428481. The reversal of 1400428468 is 8648240041.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 430230564 = 31148^2 + 20742^2 .

It is a super-2 number, since 2×1400428468² = 3922399787969654048, 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 as a sum of consecutive naturals, namely, 175053555 + ... + 175053562.

Almost surely, 2^1400428468 is an apocalyptic number.

It is an amenable number.

1400428468 is a deficient number, since it is larger than the sum of its proper divisors (1050321358).

1400428468 is a wasteful number, since it uses less digits than its factorization.

1400428468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350107121 (or 350107119 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 1400428468 is about 37422.2990742151. The cubic root of 1400428468 is about 1118.8030548250.

The spelling of 1400428468 in words is "one billion, four hundred million, four hundred twenty-eight thousand, four hundred sixty-eight".