1400604457 has 8 divisors (see below), whose sum is σ = 1600917696. Its totient is φ = 1200347952.

The previous prime is 1400604409. The next prime is 1400604467. The reversal of 1400604457 is 7544060041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400604457 - 2²³ = 1392215849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400604407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84723 + ... + 99895.

It is an arithmetic number, because the mean of its divisors is an integer number (200114712).

Almost surely, 2^1400604457 is an apocalyptic number.

It is an amenable number.

1400604457 is a deficient number, since it is larger than the sum of its proper divisors (200313239).

1400604457 is a wasteful number, since it uses less digits than its factorization.

1400604457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1400604457 is about 37424.6503924886. The cubic root of 1400604457 is about 1118.8499187642.

Adding to 1400604457 its reverse (7544060041), we get a palindrome (8944664498).

The spelling of 1400604457 in words is "one billion, four hundred million, six hundred four thousand, four hundred fifty-seven".