40242004321535 has 16 divisors (see below), whose sum is σ = 49370494674816. Its totient is φ = 31475005855488.

The previous prime is 40242004321517. The next prime is 40242004321567. The reversal of 40242004321535 is 53512340024204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40242004321535 - 2³² = 40237709354239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40242004321495 and 40242004321504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91157912 + ... + 91598301.

It is an arithmetic number, because the mean of its divisors is an integer number (3085655917176).

Almost surely, 2^{40242004321535} is an apocalyptic number.

40242004321535 is a deficient number, since it is larger than the sum of its proper divisors (9128490353281).

40242004321535 is a wasteful number, since it uses less digits than its factorization.

40242004321535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182757202.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 40242004321535 its reverse (53512340024204), we get a palindrome (93754344345739).

The spelling of 40242004321535 in words is "forty trillion, two hundred forty-two billion, four million, three hundred twenty-one thousand, five hundred thirty-five".