618040754502 has 16 divisors (see below), whose sum is σ = 1237714386672. Its totient is φ = 205741438560.

The previous prime is 618040754423. The next prime is 618040754503. The reversal of 618040754502 is 205457040816.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618040754503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68031649 + ... + 68040732.

It is an arithmetic number, because the mean of its divisors is an integer number (77357149167).

Almost surely, 2^618040754502 is an apocalyptic number.

618040754502 is an abundant number, since it is smaller than the sum of its proper divisors (619673632170).

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

618040754502 is a wasteful number, since it uses less digits than its factorization.

618040754502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136073143.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 618040754502 in words is "six hundred eighteen billion, forty million, seven hundred fifty-four thousand, five hundred two".