40078760 has 32 divisors (see below), whose sum is σ = 90460800. Its totient is φ = 15981120.

The previous prime is 40078729. The next prime is 40078781. The reversal of 40078760 is 6787004.

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, 12965 + ... + 15755.

It is an arithmetic number, because the mean of its divisors is an integer number (2826900).

Almost surely, 2^40078760 is an apocalyptic number.

40078760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40078760 is an abundant number, since it is smaller than the sum of its proper divisors (50382040).

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

40078760 is a wasteful number, since it uses less digits than its factorization.

40078760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 40078760 is about 6330.7787830566. The cubic root of 40078760 is about 342.2195050164.

The spelling of 40078760 in words is "forty million, seventy-eight thousand, seven hundred sixty".