401492448 has 72 divisors (see below), whose sum is σ = 1304857008. Its totient is φ = 114711552.

The previous prime is 401492411. The next prime is 401492449. The reversal of 401492448 is 844294104.

401492448 is a `hidden beast` number, since 401 + 4 + 9 + 244 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×401492448² = 322392371602065408, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401492449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97561 + ... + 101592.

It is an arithmetic number, because the mean of its divisors is an integer number (18123014).

Almost surely, 2^401492448 is an apocalyptic number.

401492448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401492448 is an abundant number, since it is smaller than the sum of its proper divisors (903364560).

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

401492448 is a wasteful number, since it uses less digits than its factorization.

401492448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199176 (or 199165 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 401492448 is about 20037.2764616352. The cubic root of 401492448 is about 737.7215332950.

The spelling of 401492448 in words is "four hundred one million, four hundred ninety-two thousand, four hundred forty-eight".