40026447393780 has 48 divisors (see below), whose sum is σ = 115689344730624. Its totient is φ = 10329405778560.

The previous prime is 40026447393727. The next prime is 40026447393781. The reversal of 40026447393780 is 8739374462004.

It is a super-3 number, since 3×40026447393780³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40026447393780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026447393781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10759795827 + ... + 10759799546.

It is an arithmetic number, because the mean of its divisors is an integer number (2410194681888).

Almost surely, 2^{40026447393780} is an apocalyptic number.

It is an amenable number.

40026447393780 is an abundant number, since it is smaller than the sum of its proper divisors (75662897336844).

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

40026447393780 is a wasteful number, since it uses less digits than its factorization.

40026447393780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21519595416 (or 21519595414 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 57.

The spelling of 40026447393780 in words is "forty trillion, twenty-six billion, four hundred forty-seven million, three hundred ninety-three thousand, seven hundred eighty".