40015102532542 has 8 divisors (see below), whose sum is σ = 60023134704600. Its totient is φ = 20007390964344.

The previous prime is 40015102532527. The next prime is 40015102532543. The reversal of 40015102532542 is 24523520151004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40015102532498 and 40015102532507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40015102532543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79838692 + ... + 80338327.

It is an arithmetic number, because the mean of its divisors is an integer number (7502891838075).

Almost surely, 2^{40015102532542} is an apocalyptic number.

40015102532542 is a deficient number, since it is larger than the sum of its proper divisors (20008032172058).

40015102532542 is a wasteful number, since it uses less digits than its factorization.

40015102532542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160301930.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 40015102532542 its reverse (24523520151004), we get a palindrome (64538622683546).

The spelling of 40015102532542 in words is "forty trillion, fifteen billion, one hundred two million, five hundred thirty-two thousand, five hundred forty-two".