400916070 has 48 divisors (see below), whose sum is σ = 1043641872. Its totient is φ = 106781760.

The previous prime is 400916051. The next prime is 400916077. The reversal of 400916070 is 70619004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400916077) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 89709 + ... + 94071.

It is an arithmetic number, because the mean of its divisors is an integer number (21742539).

Almost surely, 2^400916070 is an apocalyptic number.

400916070 is an abundant number, since it is smaller than the sum of its proper divisors (642725802).

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

400916070 is a wasteful number, since it uses less digits than its factorization.

400916070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 400916070 is about 20022.8886527394. Note that the first 3 decimals coincide. The cubic root of 400916070 is about 737.3683426764.

The spelling of 400916070 in words is "four hundred million, nine hundred sixteen thousand, seventy".