401500237398 has 64 divisors (see below), whose sum is σ = 918339932160. Its totient is φ = 116000736768.

The previous prime is 401500237393. The next prime is 401500237409. The reversal of 401500237398 is 893732005104.

It is a super-2 number, since 2×401500237398² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401500237393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031286 + ... + 1366217.

It is an arithmetic number, because the mean of its divisors is an integer number (14349061440).

Almost surely, 2^401500237398 is an apocalyptic number.

401500237398 is an abundant number, since it is smaller than the sum of its proper divisors (516839694762).

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

401500237398 is a wasteful number, since it uses less digits than its factorization.

401500237398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397653.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 401500237398 in words is "four hundred one billion, five hundred million, two hundred thirty-seven thousand, three hundred ninety-eight".