40026331534 has 8 divisors (see below), whose sum is σ = 68616568368. Its totient is φ = 17154142080.

The previous prime is 40026331523. The next prime is 40026331561. The reversal of 40026331534 is 43513362004.

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 = 40026331496 and 40026331505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429511827 + ... + 1429511854.

It is an arithmetic number, because the mean of its divisors is an integer number (8577071046).

Almost surely, 2^40026331534 is an apocalyptic number.

40026331534 is a deficient number, since it is larger than the sum of its proper divisors (28590236834).

40026331534 is a wasteful number, since it uses less digits than its factorization.

40026331534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859023690.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 40026331534 its reverse (43513362004), we get a palindrome (83539693538).

The spelling of 40026331534 in words is "forty billion, twenty-six million, three hundred thirty-one thousand, five hundred thirty-four".