40426280333544 has 192 divisors, whose sum is σ = 123035487805440. Its totient is φ = 11048173456320.

The previous prime is 40426280333531. The next prime is 40426280333561. The reversal of 40426280333544 is 44533308262404.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40426280333493 and 40426280333502.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7098729 + ... + 11456199.

It is an arithmetic number, because the mean of its divisors is an integer number (640809832320).

Almost surely, 2^{40426280333544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40426280333544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61517743902720).

40426280333544 is an abundant number, since it is smaller than the sum of its proper divisors (82609207471896).

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

40426280333544 is an equidigital number, since it uses as much as digits as its factorization.

40426280333544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357538 (or 4357506 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 48.

Adding to 40426280333544 its reverse (44533308262404), we get a palindrome (84959588595948).

The spelling of 40426280333544 in words is "forty trillion, four hundred twenty-six billion, two hundred eighty million, three hundred thirty-three thousand, five hundred forty-four".