40782470 has 16 divisors (see below), whose sum is σ = 74234880. Its totient is φ = 16129344.

The previous prime is 40782451. The next prime is 40782481. The reversal of 40782470 is 7428704.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22022 + ... + 23801.

It is an arithmetic number, because the mean of its divisors is an integer number (4639680).

Almost surely, 2^40782470 is an apocalyptic number.

40782470 is a deficient number, since it is larger than the sum of its proper divisors (33452410).

40782470 is a wasteful number, since it uses less digits than its factorization.

40782470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45919.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 40782470 is about 6386.1154076637. The cubic root of 40782470 is about 344.2108125073.

The spelling of 40782470 in words is "forty million, seven hundred eighty-two thousand, four hundred seventy".