400235515050 has 48 divisors (see below), whose sum is σ = 1134381805632. Its totient is φ = 91482403200.

The previous prime is 400235515027. The next prime is 400235515061. The reversal of 400235515050 is 50515532004.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 400235514999 and 400235515017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190587291 + ... + 190589390.

It is an arithmetic number, because the mean of its divisors is an integer number (23632954284).

Almost surely, 2^400235515050 is an apocalyptic number.

400235515050 is an abundant number, since it is smaller than the sum of its proper divisors (734146290582).

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

400235515050 is a wasteful number, since it uses less digits than its factorization.

400235515050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381176703 (or 381176698 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 400235515050 in words is "four hundred billion, two hundred thirty-five million, five hundred fifteen thousand, fifty".