40774830 has 16 divisors (see below), whose sum is σ = 97859664. Its totient is φ = 10873280.

The previous prime is 40774813. The next prime is 40774831. The reversal of 40774830 is 3847704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40774791 and 40774800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40774831) 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, 679551 + ... + 679610.

It is an arithmetic number, because the mean of its divisors is an integer number (6116229).

Almost surely, 2^40774830 is an apocalyptic number.

40774830 is an abundant number, since it is smaller than the sum of its proper divisors (57084834).

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

40774830 is a wasteful number, since it uses less digits than its factorization.

40774830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359171.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40774830 is about 6385.5172069301. The cubic root of 40774830 is about 344.1893168758.

The spelling of 40774830 in words is "forty million, seven hundred seventy-four thousand, eight hundred thirty".