340401253572 has 72 divisors (see below), whose sum is σ = 893370974496. Its totient is φ = 113334406848.

The previous prime is 340401253547. The next prime is 340401253573. The reversal of 340401253572 is 275352104043.

340401253572 is a `hidden beast` number, since 3 + 4 + 0 + 40 + 12 + 535 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (340401253573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628683 + ... + 1037325.

Almost surely, 2^340401253572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340401253572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446685487248).

340401253572 is an abundant number, since it is smaller than the sum of its proper divisors (552969720924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340401253572 is a wasteful number, since it uses less digits than its factorization.

340401253572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409519 (or 409505 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 340401253572 in words is "three hundred forty billion, four hundred one million, two hundred fifty-three thousand, five hundred seventy-two".