40370478 has 64 divisors (see below), whose sum is σ = 92586240. Its totient is φ = 11653632.

The previous prime is 40370467. The next prime is 40370479. The reversal of 40370478 is 87407304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71425 + ... + 71987.

It is an arithmetic number, because the mean of its divisors is an integer number (1446660).

Almost surely, 2^40370478 is an apocalyptic number.

40370478 is an abundant number, since it is smaller than the sum of its proper divisors (52215762).

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

40370478 is a wasteful number, since it uses less digits than its factorization.

40370478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 40370478 is about 6353.7766721848. The cubic root of 40370478 is about 343.0477937181.

The spelling of 40370478 in words is "forty million, three hundred seventy thousand, four hundred seventy-eight".