400403012010 has 32 divisors (see below), whose sum is σ = 963025008192. Its totient is φ = 106545494400.

The previous prime is 400403011993. The next prime is 400403012027. The reversal of 400403012010 is 10210304004.

It is an interprime number because it is at equal distance from previous prime (400403011993) and next prime (400403012027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14275891 + ... + 14303910.

It is an arithmetic number, because the mean of its divisors is an integer number (30094531506).

Almost surely, 2^400403012010 is an apocalyptic number.

400403012010 is an abundant number, since it is smaller than the sum of its proper divisors (562621996182).

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

400403012010 is a wasteful number, since it uses less digits than its factorization.

400403012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28580278.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 400403012010 its reverse (10210304004), we get a palindrome (410613316014).

The spelling of 400403012010 in words is "four hundred billion, four hundred three million, twelve thousand, ten".