340912644553 has 16 divisors (see below), whose sum is σ = 372432816000. Its totient is φ = 310152044160.

The previous prime is 340912644547. The next prime is 340912644563. The reversal of 340912644553 is 355446219043.

It is a cyclic number.

It is not a de Polignac number, because 340912644553 - 2⁵ = 340912644521 is a prime.

It is a super-2 number, since 2×340912644553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340912644503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2753658 + ... + 2874796.

It is an arithmetic number, because the mean of its divisors is an integer number (23277051000).

Almost surely, 2^340912644553 is an apocalyptic number.

It is an amenable number.

340912644553 is a deficient number, since it is larger than the sum of its proper divisors (31520171447).

340912644553 is a wasteful number, since it uses less digits than its factorization.

340912644553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124272.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 340912644553 in words is "three hundred forty billion, nine hundred twelve million, six hundred forty-four thousand, five hundred fifty-three".