40346752672544 has 48 divisors (see below), whose sum is σ = 82392027129720. Its totient is φ = 19425523353600.

The previous prime is 40346752672531. The next prime is 40346752672547. The reversal of 40346752672544 is 44527625764304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36857283840400 + 3489468832144 = 6071020^2 + 1868012^2 .

It is not an unprimeable number, because it can be changed into a prime (40346752672547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57934157 + ... + 58626444.

Almost surely, 2^{40346752672544} is an apocalyptic number.

It is an amenable number.

40346752672544 is an abundant number, since it is smaller than the sum of its proper divisors (42045274457176).

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

40346752672544 is a wasteful number, since it uses less digits than its factorization.

40346752672544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116561013 (or 116561005 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 59.

The spelling of 40346752672544 in words is "forty trillion, three hundred forty-six billion, seven hundred fifty-two million, six hundred seventy-two thousand, five hundred forty-four".