373888640401 has 4 divisors (see below), whose sum is σ = 373891359472. Its totient is φ = 373885921332.

The previous prime is 373888640399. The next prime is 373888640449. The reversal of 373888640401 is 104046888373.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104046888373 = 29 ⋅3587823737.

It is a cyclic number.

It is not a de Polignac number, because 373888640401 - 2¹ = 373888640399 is a prime.

It is a super-4 number, since 4×373888640401⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (373888640471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141635 + ... + 1432168.

It is an arithmetic number, because the mean of its divisors is an integer number (93472839868).

Almost surely, 2^373888640401 is an apocalyptic number.

It is an amenable number.

373888640401 is a deficient number, since it is larger than the sum of its proper divisors (2719071).

373888640401 is a wasteful number, since it uses less digits than its factorization.

373888640401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719070.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 373888640401 in words is "three hundred seventy-three billion, eight hundred eighty-eight million, six hundred forty thousand, four hundred one".