402221000513044 has 24 divisors (see below), whose sum is σ = 706955030203968. Its totient is φ = 200233964548800.

The previous prime is 402221000512999. The next prime is 402221000513051. The reversal of 402221000513044 is 440315000122204.

It is a super-2 number, since 2×402221000513044² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 498402 + ... + 28367065.

It is an arithmetic number, because the mean of its divisors is an integer number (29456459591832).

Almost surely, 2^{402221000513044} is an apocalyptic number.

It is an amenable number.

402221000513044 is a deficient number, since it is larger than the sum of its proper divisors (304734029690924).

402221000513044 is a wasteful number, since it uses less digits than its factorization.

402221000513044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28880655 (or 28880653 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 402221000513044 its reverse (440315000122204), we get a palindrome (842536000635248).

The spelling of 402221000513044 in words is "four hundred two trillion, two hundred twenty-one billion, five hundred thirteen thousand, forty-four".