40777330 has 64 divisors (see below), whose sum is σ = 84509568. Its totient is φ = 14031360.

The previous prime is 40777313. The next prime is 40777333. The reversal of 40777330 is 3377704.

It is a junction number, because it is equal to n+sod(n) for n = 40777292 and 40777301.

It is not an unprimeable number, because it can be changed into a prime (40777333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174894 + ... + 175126.

It is an arithmetic number, because the mean of its divisors is an integer number (1320462).

Almost surely, 2^40777330 is an apocalyptic number.

40777330 is an abundant number, since it is smaller than the sum of its proper divisors (43732238).

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

40777330 is a wasteful number, since it uses less digits than its factorization.

40777330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 40777330 is about 6385.7129594118. The cubic root of 40777330 is about 344.1963510821.

The spelling of 40777330 in words is "forty million, seven hundred seventy-seven thousand, three hundred thirty".