457540403390 has 16 divisors (see below), whose sum is σ = 941225972832. Its totient is φ = 156870995424.

The previous prime is 457540403377. The next prime is 457540403399. The reversal of 457540403390 is 93304045754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457540403399) 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, 3268145669 + ... + 3268145808.

It is an arithmetic number, because the mean of its divisors is an integer number (58826623302).

Almost surely, 2^457540403390 is an apocalyptic number.

457540403390 is an abundant number, since it is smaller than the sum of its proper divisors (483685569442).

457540403390 is a wasteful number, since it uses less digits than its factorization.

457540403390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536291491.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 457540403390 in words is "four hundred fifty-seven billion, five hundred forty million, four hundred three thousand, three hundred ninety".