401859552 has 48 divisors (see below), whose sum is σ = 1056125952. Its totient is φ = 133795200.

The previous prime is 401859539. The next prime is 401859559. The reversal of 401859552 is 255958104.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×401859552² = 322982199067281408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401859552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401859559) 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, 102427 + ... + 106277.

It is an arithmetic number, because the mean of its divisors is an integer number (22002624).

Almost surely, 2^401859552 is an apocalyptic number.

It is an amenable number.

401859552 is an abundant number, since it is smaller than the sum of its proper divisors (654266400).

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

401859552 is a wasteful number, since it uses less digits than its factorization.

401859552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 401859552 is about 20046.4348950131. The cubic root of 401859552 is about 737.9463096493.

The spelling of 401859552 in words is "four hundred one million, eight hundred fifty-nine thousand, five hundred fifty-two".