401158078434 has 48 divisors (see below), whose sum is σ = 890404861632. Its totient is φ = 130460458464.

The previous prime is 401158078411. The next prime is 401158078499. The reversal of 401158078434 is 434870851104.

It is a self number, because there is not a number n which added to its sum of digits gives 401158078434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383307 + ... + 974289.

It is an arithmetic number, because the mean of its divisors is an integer number (18550101284).

Almost surely, 2^401158078434 is an apocalyptic number.

401158078434 is an abundant number, since it is smaller than the sum of its proper divisors (489246783198).

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

401158078434 is a wasteful number, since it uses less digits than its factorization.

401158078434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591911 (or 591908 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 401158078434 in words is "four hundred one billion, one hundred fifty-eight million, seventy-eight thousand, four hundred thirty-four".