40847340 has 48 divisors (see below), whose sum is σ = 120395520. Its totient is φ = 10319040.

The previous prime is 40847299. The next prime is 40847383. The reversal of 40847340 is 4374804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40847298 and 40847307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16776 + ... + 19055.

It is an arithmetic number, because the mean of its divisors is an integer number (2508240).

Almost surely, 2^40847340 is an apocalyptic number.

It is an amenable number.

40847340 is an abundant number, since it is smaller than the sum of its proper divisors (79548180).

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

40847340 is a wasteful number, since it uses less digits than its factorization.

40847340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35862 (or 35860 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40847340 is about 6391.1923770139. The cubic root of 40847340 is about 344.3932203473.

The spelling of 40847340 in words is "forty million, eight hundred forty-seven thousand, three hundred forty".