400776150 has 48 divisors (see below), whose sum is σ = 1037147904. Its totient is φ = 102226080.

The previous prime is 400776149. The next prime is 400776151. The reversal of 400776150 is 51677004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400776149) and next prime (400776151).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400776151) 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, 54634 + ... + 61533.

It is an arithmetic number, because the mean of its divisors is an integer number (21607248).

Almost surely, 2^400776150 is an apocalyptic number.

400776150 is an abundant number, since it is smaller than the sum of its proper divisors (636371754).

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

400776150 is a wasteful number, since it uses less digits than its factorization.

400776150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116205 (or 116200 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 400776150 is about 20019.3943464831. The cubic root of 400776150 is about 737.2825519994.

The spelling of 400776150 in words is "four hundred million, seven hundred seventy-six thousand, one hundred fifty".