400552021001034 has 48 divisors (see below), whose sum is σ = 991918764944640. Its totient is φ = 114434703957600.

The previous prime is 400552021001029. The next prime is 400552021001087. The reversal of 400552021001034 is 430100120255004.

400552021001034 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 520 + 2 + 100 + 1 + 0 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 400552021000989 and 400552021001007.

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, 119600242 + ... + 122903709.

It is an arithmetic number, because the mean of its divisors is an integer number (20664974269680).

Almost surely, 2^{400552021001034} is an apocalyptic number.

400552021001034 is an abundant number, since it is smaller than the sum of its proper divisors (591366743943606).

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

400552021001034 is a wasteful number, since it uses less digits than its factorization.

400552021001034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242517075 (or 242517072 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 400552021001034 its reverse (430100120255004), we get a palindrome (830652141256038).

The spelling of 400552021001034 in words is "four hundred trillion, five hundred fifty-two billion, twenty-one million, one thousand, thirty-four".