401845652 has 24 divisors (see below), whose sum is σ = 758137800. Its totient is φ = 185268096.

The previous prime is 401845607. The next prime is 401845667. The reversal of 401845652 is 256548104.

It can be written as a sum of positive squares in 4 ways, for example, as 109914256 + 291931396 = 10484^2 + 17086^2 .

It is a super-2 number, since 2×401845652² = 322959856062610208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51974 + ... + 59202.

It is an arithmetic number, because the mean of its divisors is an integer number (31589075).

Almost surely, 2^401845652 is an apocalyptic number.

It is an amenable number.

401845652 is a deficient number, since it is larger than the sum of its proper divisors (356292148).

401845652 is a wasteful number, since it uses less digits than its factorization.

401845652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 401845652 is about 20046.0881969525. The cubic root of 401845652 is about 737.9378012273.

The spelling of 401845652 in words is "four hundred one million, eight hundred forty-five thousand, six hundred fifty-two".