401111513732 has 24 divisors (see below), whose sum is σ = 743861142360. Its totient is φ = 188917111040.

The previous prime is 401111513729. The next prime is 401111513753. The reversal of 401111513732 is 237315111104.

It can be written as a sum of positive squares in 4 ways, for example, as 14966096896 + 386145416836 = 122336^2 + 621406^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 401111513695 and 401111513704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42164243 + ... + 42173754.

It is an arithmetic number, because the mean of its divisors is an integer number (30994214265).

Almost surely, 2^401111513732 is an apocalyptic number.

It is an amenable number.

401111513732 is a deficient number, since it is larger than the sum of its proper divisors (342749628628).

401111513732 is a wasteful number, since it uses less digits than its factorization.

401111513732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84338071 (or 84338069 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 401111513732 its reverse (237315111104), we get a palindrome (638426624836).

The spelling of 401111513732 in words is "four hundred one billion, one hundred eleven million, five hundred thirteen thousand, seven hundred thirty-two".