40263357442521 has 16 divisors (see below), whose sum is σ = 55536007824000. Its totient is φ = 25916484091008.

The previous prime is 40263357442519. The next prime is 40263357442571. The reversal of 40263357442521 is 12524475336204.

40263357442521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40263357442521 - 2¹ = 40263357442519 is a prime.

It is a super-2 number, since 2×40263357442521² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40263357442571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13680180 + ... + 16360746.

It is an arithmetic number, because the mean of its divisors is an integer number (3471000489000).

Almost surely, 2^{40263357442521} is an apocalyptic number.

It is an amenable number.

40263357442521 is a deficient number, since it is larger than the sum of its proper divisors (15272650381479).

40263357442521 is a wasteful number, since it uses less digits than its factorization.

40263357442521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853248.

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 40263357442521 in words is "forty trillion, two hundred sixty-three billion, three hundred fifty-seven million, four hundred forty-two thousand, five hundred twenty-one".