400300461500 has 48 divisors (see below), whose sum is σ = 879309902016. Its totient is φ = 159194600000.

The previous prime is 400300461497. The next prime is 400300461527. The reversal of 400300461500 is 5164003004.

It is a happy number.

It is a super-2 number, since 2×400300461500² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 2227376 + ... + 2400375.

It is an arithmetic number, because the mean of its divisors is an integer number (18318956292).

Almost surely, 2^400300461500 is an apocalyptic number.

It is an amenable number.

400300461500 is an abundant number, since it is smaller than the sum of its proper divisors (479009440516).

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

400300461500 is a wasteful number, since it uses less digits than its factorization.

400300461500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627943 (or 4627931 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 400300461500 its reverse (5164003004), we get a palindrome (405464464504).

The spelling of 400300461500 in words is "four hundred billion, three hundred million, four hundred sixty-one thousand, five hundred".