401526612 has 48 divisors (see below), whose sum is σ = 1066396800. Its totient is φ = 130576320.

The previous prime is 401526607. The next prime is 401526641. The reversal of 401526612 is 216625104.

401526612 is a `hidden beast` number, since 40 + 1 + 5 + 2 + 6 + 612 = 666.

It is a super-2 number, since 2×401526612² = 322447240288397088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40912 + ... + 49767.

It is an arithmetic number, because the mean of its divisors is an integer number (22216600).

Almost surely, 2^401526612 is an apocalyptic number.

It is an amenable number.

401526612 is an abundant number, since it is smaller than the sum of its proper divisors (664870188).

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

401526612 is a wasteful number, since it uses less digits than its factorization.

401526612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90733 (or 90725 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 401526612 is about 20038.1289545706. The cubic root of 401526612 is about 737.7424575604.

It can be divided in two parts, 40152 and 6612, that added together give a palindrome (46764).

The spelling of 401526612 in words is "four hundred one million, five hundred twenty-six thousand, six hundred twelve".