40779460 has 24 divisors (see below), whose sum is σ = 89361216. Its totient is φ = 15602400.

The previous prime is 40779433. The next prime is 40779463. The reversal of 40779460 is 6497704.

It is not an unprimeable number, because it can be changed into a prime (40779463) 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, 43866 + ... + 44785.

It is an arithmetic number, because the mean of its divisors is an integer number (3723384).

Almost surely, 2^40779460 is an apocalyptic number.

It is an amenable number.

40779460 is an abundant number, since it is smaller than the sum of its proper divisors (48581756).

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

40779460 is a wasteful number, since it uses less digits than its factorization.

40779460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88683 (or 88681 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 40779460 is about 6385.8797357921. The cubic root of 40779460 is about 344.2023439991.

The spelling of 40779460 in words is "forty million, seven hundred seventy-nine thousand, four hundred sixty".