401538153 has 8 divisors (see below), whose sum is σ = 563562400. Its totient is φ = 253603008.

The previous prime is 401538149. The next prime is 401538161. The reversal of 401538153 is 351835104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401538153 - 2² = 401538149 is a prime.

It is a super-2 number, since 2×401538153² = 322465776629302818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401538153.

It is not an unprimeable number, because it can be changed into a prime (401538103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3522208 + ... + 3522321.

It is an arithmetic number, because the mean of its divisors is an integer number (70445300).

Almost surely, 2^401538153 is an apocalyptic number.

It is an amenable number.

401538153 is a deficient number, since it is larger than the sum of its proper divisors (162024247).

401538153 is a wasteful number, since it uses less digits than its factorization.

401538153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044551.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 401538153 is about 20038.4169284901. The cubic root of 401538153 is about 737.7495257546.

The spelling of 401538153 in words is "four hundred one million, five hundred thirty-eight thousand, one hundred fifty-three".