40267830 has 16 divisors (see below), whose sum is σ = 96642864. Its totient is φ = 10738080.

The previous prime is 40267817. The next prime is 40267841. The reversal of 40267830 is 3876204.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1342261 = 40267830 / (4 + 0 + 2 + 6 + 7 + 8 + 3 + 0).

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, 671101 + ... + 671160.

It is an arithmetic number, because the mean of its divisors is an integer number (6040179).

Almost surely, 2^40267830 is an apocalyptic number.

40267830 is an abundant number, since it is smaller than the sum of its proper divisors (56375034).

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

40267830 is a wasteful number, since it uses less digits than its factorization.

40267830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342271.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40267830 is about 6345.6938154941. The cubic root of 40267830 is about 342.7567967748.

The spelling of 40267830 in words is "forty million, two hundred sixty-seven thousand, eight hundred thirty".