340457054 has 32 divisors (see below), whose sum is σ = 610773696. Its totient is φ = 139276800.

The previous prime is 340457053. The next prime is 340457069. The reversal of 340457054 is 450754043.

It is a super-2 number, since 2×340457054² = 231822011236717832, 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 340457054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340457053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21254 + ... + 33654.

It is an arithmetic number, because the mean of its divisors is an integer number (19086678).

Almost surely, 2^340457054 is an apocalyptic number.

340457054 is a deficient number, since it is larger than the sum of its proper divisors (270316642).

340457054 is a wasteful number, since it uses less digits than its factorization.

340457054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 340457054 is about 18451.4783689546. The cubic root of 340457054 is about 698.2658120127.

The spelling of 340457054 in words is "three hundred forty million, four hundred fifty-seven thousand, fifty-four".