40245552601600 has 60 divisors (see below), whose sum is σ = 99711500785974. Its totient is φ = 16098221035520.

The previous prime is 40245552601591. The next prime is 40245552601633. The reversal of 40245552601600 is 610625554204.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16682061959424 + 23563490642176 = 4084368^2 + 4854224^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572079099 + ... + 1572104698.

Almost surely, 2^{40245552601600} is an apocalyptic number.

40245552601600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40245552601600 is an abundant number, since it is smaller than the sum of its proper divisors (59465948184374).

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

40245552601600 is an equidigital number, since it uses as much as digits as its factorization.

40245552601600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144183825 (or 3144183804 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 40245552601600 in words is "forty trillion, two hundred forty-five billion, five hundred fifty-two million, six hundred one thousand, six hundred".