40197416 has 16 divisors (see below), whose sum is σ = 86137440. Its totient is φ = 17227440.

The previous prime is 40197413. The next prime is 40197419. The reversal of 40197416 is 61479104.

It is an interprime number because it is at equal distance from previous prime (40197413) and next prime (40197419).

It is not an unprimeable number, because it can be changed into a prime (40197413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358850 + ... + 358961.

It is an arithmetic number, because the mean of its divisors is an integer number (5383590).

Almost surely, 2^40197416 is an apocalyptic number.

It is an amenable number.

40197416 is an abundant number, since it is smaller than the sum of its proper divisors (45940024).

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

40197416 is a wasteful number, since it uses less digits than its factorization.

40197416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717824 (or 717820 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 40197416 is about 6340.1432160480. The cubic root of 40197416 is about 342.5568939532.

The spelling of 40197416 in words is "forty million, one hundred ninety-seven thousand, four hundred sixteen".