40263321341052 has 72 divisors (see below), whose sum is σ = 101849046433680. Its totient is φ = 13411572330240.

The previous prime is 40263321341039. The next prime is 40263321341053. The reversal of 40263321341052 is 25014312336204.

40263321341052 is a `hidden beast` number, since 4 + 0 + 2 + 633 + 2 + 1 + 3 + 4 + 10 + 5 + 2 = 666.

It is a super-2 number, since 2×40263321341052² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40263321340998 and 40263321341016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263321341053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788539099 + ... + 788590157.

Almost surely, 2^{40263321341052} is an apocalyptic number.

It is an amenable number.

40263321341052 is an abundant number, since it is smaller than the sum of its proper divisors (61585725092628).

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

40263321341052 is a wasteful number, since it uses less digits than its factorization.

40263321341052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66203 (or 66198 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 40263321341052 its reverse (25014312336204), we get a palindrome (65277633677256).

The spelling of 40263321341052 in words is "forty trillion, two hundred sixty-three billion, three hundred twenty-one million, three hundred forty-one thousand, fifty-two".