1426402857 has 16 divisors (see below), whose sum is σ = 2076721920. Its totient is φ = 863672400.

The previous prime is 1426402847. The next prime is 1426402877. The reversal of 1426402857 is 7582046241.

It is not a de Polignac number, because 1426402857 - 2⁴ = 1426402841 is a prime.

It is a super-2 number, since 2×1426402857² = 4069250220915524898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1426402847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16194 + ... + 55812.

It is an arithmetic number, because the mean of its divisors is an integer number (129795120).

Almost surely, 2^1426402857 is an apocalyptic number.

It is an amenable number.

1426402857 is a deficient number, since it is larger than the sum of its proper divisors (650319063).

1426402857 is a wasteful number, since it uses less digits than its factorization.

1426402857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40724.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1426402857 is about 37767.7489003515. The cubic root of 1426402857 is about 1125.6777103751.

The spelling of 1426402857 in words is "one billion, four hundred twenty-six million, four hundred two thousand, eight hundred fifty-seven".