40043300452 has 12 divisors (see below), whose sum is σ = 71566750080. Its totient is φ = 19595657576.

The previous prime is 40043300447. The next prime is 40043300537. The reversal of 40043300452 is 25400334004.

It is a super-2 number, since 2×40043300452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106497952 + ... + 106498327.

It is an arithmetic number, because the mean of its divisors is an integer number (5963895840).

Almost surely, 2^40043300452 is an apocalyptic number.

It is an amenable number.

40043300452 is a deficient number, since it is larger than the sum of its proper divisors (31523449628).

40043300452 is a wasteful number, since it uses less digits than its factorization.

40043300452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212996330 (or 212996328 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 40043300452 its reverse (25400334004), we get a palindrome (65443634456).

The spelling of 40043300452 in words is "forty billion, forty-three million, three hundred thousand, four hundred fifty-two".