40191060 has 192 divisors, whose sum is σ = 146990592. Its totient is φ = 7962624.

The previous prime is 40191059. The next prime is 40191079. The reversal of 40191060 is 6019104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92604 + ... + 93036.

It is an arithmetic number, because the mean of its divisors is an integer number (765576).

Almost surely, 2^40191060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40191060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73495296).

40191060 is an abundant number, since it is smaller than the sum of its proper divisors (106799532).

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

40191060 is a wasteful number, since it uses less digits than its factorization.

40191060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 40191060 is about 6339.6419457253. The cubic root of 40191060 is about 342.5388380132.

The spelling of 40191060 in words is "forty million, one hundred ninety-one thousand, sixty".