372561381401 has 12 divisors (see below), whose sum is σ = 419497662612. Its totient is φ = 330431376000.

The previous prime is 372561381377. The next prime is 372561381427. The reversal of 372561381401 is 104183165273.

It can be written as a sum of positive squares in 2 ways, for example, as 84229970176 + 288331411225 = 290224^2 + 536965^2 .

It is not a de Polignac number, because 372561381401 - 2³⁸ = 97683474457 is a prime.

It is a super-2 number, since 2×372561381401² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372561381301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37544060 + ... + 37553981.

It is an arithmetic number, because the mean of its divisors is an integer number (34958138551).

Almost surely, 2^372561381401 is an apocalyptic number.

It is an amenable number.

372561381401 is a deficient number, since it is larger than the sum of its proper divisors (46936281211).

372561381401 is a wasteful number, since it uses less digits than its factorization.

372561381401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75098104 (or 75098093 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 372561381401 in words is "three hundred seventy-two billion, five hundred sixty-one million, three hundred eighty-one thousand, four hundred one".