1372625727440 has 40 divisors (see below), whose sum is σ = 3481477983648. Its totient is φ = 499136627840.

The previous prime is 1372625727397. The next prime is 1372625727491. The reversal of 1372625727440 is 447275262731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779900102 + ... + 779901861.

Almost surely, 2^{1372625727440} is an apocalyptic number.

1372625727440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372625727440 is an abundant number, since it is smaller than the sum of its proper divisors (2108852256208).

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

1372625727440 is a wasteful number, since it uses less digits than its factorization.

1372625727440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559801987 (or 1559801981 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 1372625727440 in words is "one trillion, three hundred seventy-two billion, six hundred twenty-five million, seven hundred twenty-seven thousand, four hundred forty".