40761780 has 24 divisors (see below), whose sum is σ = 114133152. Its totient is φ = 10869792.

The previous prime is 40761779. The next prime is 40761797. The reversal of 40761780 is 8716704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339622 + ... + 339741.

It is an arithmetic number, because the mean of its divisors is an integer number (4755548).

Almost surely, 2^40761780 is an apocalyptic number.

It is an amenable number.

40761780 is an abundant number, since it is smaller than the sum of its proper divisors (73371372).

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

40761780 is a wasteful number, since it uses less digits than its factorization.

40761780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679375 (or 679373 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 40761780 is about 6384.4952815395. The cubic root of 40761780 is about 344.1525936500.

The spelling of 40761780 in words is "forty million, seven hundred sixty-one thousand, seven hundred eighty".