40377870 has 48 divisors (see below), whose sum is σ = 113061312. Its totient is φ = 9938880.

The previous prime is 40377859. The next prime is 40377877. The reversal of 40377870 is 7877304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40377877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16086 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (2355444).

Almost surely, 2^40377870 is an apocalyptic number.

40377870 is an abundant number, since it is smaller than the sum of its proper divisors (72683442).

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

40377870 is a wasteful number, since it uses less digits than its factorization.

40377870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34537 (or 34534 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 40377870 is about 6354.3583468357. The cubic root of 40377870 is about 343.0687302593.

The spelling of 40377870 in words is "forty million, three hundred seventy-seven thousand, eight hundred seventy".