40047370 has 48 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 13919840.

The previous prime is 40047361. The next prime is 40047373. The reversal of 40047370 is 7374004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40047373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27111 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^40047370 is an apocalyptic number.

40047370 is an abundant number, since it is smaller than the sum of its proper divisors (42689270).

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

40047370 is a wasteful number, since it uses less digits than its factorization.

40047370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 40047370 is about 6328.2991395793. The cubic root of 40047370 is about 342.1301386791.

The spelling of 40047370 in words is "forty million, forty-seven thousand, three hundred seventy".