340222512400 has 60 divisors (see below), whose sum is σ = 817468115200. Its totient is φ = 136075098240.

The previous prime is 340222512397. The next prime is 340222512401. The reversal of 340222512400 is 4215222043.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (340222512401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4457761 + ... + 4533439.

Almost surely, 2^340222512400 is an apocalyptic number.

It is an amenable number.

340222512400 is an abundant number, since it is smaller than the sum of its proper divisors (477245602800).

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

340222512400 is a wasteful number, since it uses less digits than its factorization.

340222512400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86936 (or 86925 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 340222512400 its reverse (4215222043), we get a palindrome (344437734443).

The spelling of 340222512400 in words is "three hundred forty billion, two hundred twenty-two million, five hundred twelve thousand, four hundred".