401119992 has 128 divisors (see below), whose sum is σ = 1371417600. Its totient is φ = 105784704.

The previous prime is 401119919. The next prime is 401120003. The reversal of 401119992 is 299911104.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 9453 + ... + 29859.

It is an arithmetic number, because the mean of its divisors is an integer number (10714200).

Almost surely, 2^401119992 is an apocalyptic number.

401119992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401119992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685708800).

401119992 is an abundant number, since it is smaller than the sum of its proper divisors (970297608).

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

401119992 is a wasteful number, since it uses less digits than its factorization.

401119992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20442 (or 20432 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 401119992 is about 20027.9802276715. The cubic root of 401119992 is about 737.4933398613.

The spelling of 401119992 in words is "four hundred one million, one hundred nineteen thousand, nine hundred ninety-two".