40751830 has 48 divisors (see below), whose sum is σ = 86335200. Its totient is φ = 13843872.

The previous prime is 40751807. The next prime is 40751857. The reversal of 40751830 is 3815704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373816 + ... + 373924.

It is an arithmetic number, because the mean of its divisors is an integer number (1798650).

Almost surely, 2^40751830 is an apocalyptic number.

40751830 is an abundant number, since it is smaller than the sum of its proper divisors (45583370).

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

40751830 is an equidigital number, since it uses as much as digits as its factorization.

40751830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40751830 is about 6383.7160024550. The cubic root of 40751830 is about 344.1245886825.

The spelling of 40751830 in words is "forty million, seven hundred fifty-one thousand, eight hundred thirty".