40380470 has 32 divisors (see below), whose sum is σ = 80982720. Its totient is φ = 14394240.

The previous prime is 40380463. The next prime is 40380481. The reversal of 40380470 is 7408304.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 1586 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (2530710).

Almost surely, 2^40380470 is an apocalyptic number.

40380470 is an abundant number, since it is smaller than the sum of its proper divisors (40602250).

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

40380470 is a wasteful number, since it uses less digits than its factorization.

40380470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 40380470 is about 6354.5629275348. The cubic root of 40380470 is about 343.0760936951.

Adding to 40380470 its reverse (7408304), we get a palindrome (47788774).

The spelling of 40380470 in words is "forty million, three hundred eighty thousand, four hundred seventy".