400536150 has 192 divisors, whose sum is σ = 1266347520. Its totient is φ = 81561600.

The previous prime is 400536121. The next prime is 400536173. The reversal of 400536150 is 51635004.

It is a self number, because there is not a number n which added to its sum of digits gives 400536150.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 338560 + ... + 339740.

It is an arithmetic number, because the mean of its divisors is an integer number (6595560).

Almost surely, 2^400536150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400536150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633173760).

400536150 is an abundant number, since it is smaller than the sum of its proper divisors (865811370).

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

400536150 is a wasteful number, since it uses less digits than its factorization.

400536150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 400536150 is about 20013.3992614948. The cubic root of 400536150 is about 737.1353516688.

The spelling of 400536150 in words is "four hundred million, five hundred thirty-six thousand, one hundred fifty".