43640098502 has 32 divisors (see below), whose sum is σ = 87890552064. Its totient is φ = 15694740000.

The previous prime is 43640098499. The next prime is 43640098553. The reversal of 43640098502 is 20589004634.

It is a self number, because there is not a number n which added to its sum of digits gives 43640098502.

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, 10897124 + ... + 10901127.

It is an arithmetic number, because the mean of its divisors is an integer number (2746579752).

Almost surely, 2^43640098502 is an apocalyptic number.

43640098502 is an abundant number, since it is smaller than the sum of its proper divisors (44250453562).

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

43640098502 is a wasteful number, since it uses less digits than its factorization.

43640098502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21798284.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 43640098502 in words is "forty-three billion, six hundred forty million, ninety-eight thousand, five hundred two".