401511792 has 80 divisors (see below), whose sum is σ = 1135677312. Its totient is φ = 121224960.

The previous prime is 401511787. The next prime is 401511833. The reversal of 401511792 is 297115104.

It is a super-2 number, since 2×401511792² = 322423438230102528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160858 + ... + 163334.

Almost surely, 2^401511792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401511792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567838656).

401511792 is an abundant number, since it is smaller than the sum of its proper divisors (734165520).

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

401511792 is a wasteful number, since it uses less digits than its factorization.

401511792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 401511792 is about 20037.7591561532. The cubic root of 401511792 is about 737.7333809701.

Adding to 401511792 its reverse (297115104), we get a palindrome (698626896).

The spelling of 401511792 in words is "four hundred one million, five hundred eleven thousand, seven hundred ninety-two".