401847798154 has 64 divisors (see below), whose sum is σ = 710864916480. Its totient is φ = 168443352000.

The previous prime is 401847798151. The next prime is 401847798173. The reversal of 401847798154 is 451897748104.

It is a super-2 number, since 2×401847798154² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (401847798151) 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, 10119919 + ... + 10159549.

It is an arithmetic number, because the mean of its divisors is an integer number (11107264320).

Almost surely, 2^401847798154 is an apocalyptic number.

401847798154 is a deficient number, since it is larger than the sum of its proper divisors (309017118326).

401847798154 is a wasteful number, since it uses less digits than its factorization.

401847798154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40387.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 401847798154 in words is "four hundred one billion, eight hundred forty-seven million, seven hundred ninety-eight thousand, one hundred fifty-four".