1907340738372 has 18 divisors (see below), whose sum is σ = 4821333533198. Its totient is φ = 635780246112.

The previous prime is 1907340738361. The next prime is 1907340738389. The reversal of 1907340738372 is 2738370437091.

1907340738372 is a `hidden beast` number, since 1 + 90 + 7 + 3 + 407 + 3 + 83 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1481420042496 + 425920695876 = 1217136^2 + 652626^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26490843553 + ... + 26490843624.

Almost surely, 2^{1907340738372} is an apocalyptic number.

1907340738372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1907340738372 is an abundant number, since it is smaller than the sum of its proper divisors (2913992794826).

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

1907340738372 is a wasteful number, since it uses less digits than its factorization.

1907340738372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52981687187 (or 52981687182 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 1907340738372 in words is "one trillion, nine hundred seven billion, three hundred forty million, seven hundred thirty-eight thousand, three hundred seventy-two".