1225670040400 has 120 divisors (see below), whose sum is σ = 3196157210624. Its totient is φ = 448991424000.

The previous prime is 1225670040349. The next prime is 1225670040421. The reversal of 1225670040400 is 40400765221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267576 + ... + 1588375.

Almost surely, 2^{1225670040400} is an apocalyptic number.

1225670040400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225670040400 is an abundant number, since it is smaller than the sum of its proper divisors (1970487170224).

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

1225670040400 is a wasteful number, since it uses less digits than its factorization.

1225670040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856109 (or 1856098 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 1225670040400 in words is "one trillion, two hundred twenty-five billion, six hundred seventy million, forty thousand, four hundred".