40726054232556 has 384 divisors, whose sum is σ = 124398205747200. Its totient is φ = 10063117209600.

The previous prime is 40726054232531. The next prime is 40726054232557. The reversal of 40726054232556 is 65523245062704.

It is a super-2 number, since 2×40726054232556² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40726054232499 and 40726054232508.

It is not an unprimeable number, because it can be changed into a prime (40726054232557) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 975757320 + ... + 975799056.

It is an arithmetic number, because the mean of its divisors is an integer number (323953660800).

Almost surely, 2^{40726054232556} 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 40726054232556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62199102873600).

40726054232556 is an abundant number, since it is smaller than the sum of its proper divisors (83672151514644).

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

40726054232556 is a wasteful number, since it uses less digits than its factorization.

40726054232556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42445 (or 42443 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 51.

The spelling of 40726054232556 in words is "forty trillion, seven hundred twenty-six billion, fifty-four million, two hundred thirty-two thousand, five hundred fifty-six".