400070541 has 16 divisors (see below), whose sum is σ = 581386176. Its totient is φ = 243229056.

The previous prime is 400070521. The next prime is 400070543. The reversal of 400070541 is 145070004.

It is not a de Polignac number, because 400070541 - 2⁶ = 400070477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400070543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 58560 + ... + 65033.

It is an arithmetic number, because the mean of its divisors is an integer number (36336636).

Almost surely, 2^400070541 is an apocalyptic number.

It is an amenable number.

400070541 is a deficient number, since it is larger than the sum of its proper divisors (181315635).

400070541 is a wasteful number, since it uses less digits than its factorization.

400070541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123692.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 400070541 is about 20001.7634472563. The cubic root of 400070541 is about 736.8496097266.

The spelling of 400070541 in words is "four hundred million, seventy thousand, five hundred forty-one".