401280488 has 32 divisors (see below), whose sum is σ = 861389760. Its totient is φ = 171676800.

The previous prime is 401280479. The next prime is 401280493. The reversal of 401280488 is 884082104.

It is a super-2 number, since 2×401280488² = 322052060099036288, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 27695 + ... + 39617.

It is an arithmetic number, because the mean of its divisors is an integer number (26918430).

Almost surely, 2^401280488 is an apocalyptic number.

It is an amenable number.

401280488 is an abundant number, since it is smaller than the sum of its proper divisors (460109272).

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

401280488 is a wasteful number, since it uses less digits than its factorization.

401280488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537 (or 12533 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 401280488 is about 20031.9866214013. The cubic root of 401280488 is about 737.5916886101.

The spelling of 401280488 in words is "four hundred one million, two hundred eighty thousand, four hundred eighty-eight".