400056350 has 36 divisors (see below), whose sum is σ = 752963712. Its totient is φ = 158130000.

The previous prime is 400056347. The next prime is 400056353. The reversal of 400056350 is 53650004.

It is an interprime number because it is at equal distance from previous prime (400056347) and next prime (400056353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400056353) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1593725 + ... + 1593975.

Almost surely, 2^400056350 is an apocalyptic number.

400056350 is a deficient number, since it is larger than the sum of its proper divisors (352907362).

400056350 is a wasteful number, since it uses less digits than its factorization.

400056350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 400056350 is about 20001.4087003891. The cubic root of 400056350 is about 736.8408972993.

The spelling of 400056350 in words is "four hundred million, fifty-six thousand, three hundred fifty".