340570432394 has 16 divisors (see below), whose sum is σ = 519411318048. Its totient is φ = 167442453552.

The previous prime is 340570432393. The next prime is 340570432409. The reversal of 340570432394 is 493234075043.

It is a super-2 number, since 2×340570432394² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340570432393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206844 + ... + 2356119.

It is an arithmetic number, because the mean of its divisors is an integer number (32463207378).

Almost surely, 2^340570432394 is an apocalyptic number.

340570432394 is a deficient number, since it is larger than the sum of its proper divisors (178840885654).

340570432394 is a wasteful number, since it uses less digits than its factorization.

340570432394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563589.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 340570432394 in words is "three hundred forty billion, five hundred seventy million, four hundred thirty-two thousand, three hundred ninety-four".