40589780 has 48 divisors (see below), whose sum is σ = 106275456. Its totient is φ = 12650880.

The previous prime is 40589749. The next prime is 40589803. The reversal of 40589780 is 8798504.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 11639 + ... + 14718.

It is an arithmetic number, because the mean of its divisors is an integer number (2214072).

Almost surely, 2^40589780 is an apocalyptic number.

It is an amenable number.

40589780 is an abundant number, since it is smaller than the sum of its proper divisors (65685676).

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

40589780 is a wasteful number, since it uses less digits than its factorization.

40589780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26384 (or 26382 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 40589780 is about 6371.0109087962. The cubic root of 40589780 is about 343.6678446091.

It can be divided in two parts, 405 and 89780, that multiplied together give a square (36360900 = 6030²).

The spelling of 40589780 in words is "forty million, five hundred eighty-nine thousand, seven hundred eighty".