40857102 has 144 divisors (see below), whose sum is σ = 110985840. Its totient is φ = 11119680.

The previous prime is 40857083. The next prime is 40857121. The reversal of 40857102 is 20175804.

It is an interprime number because it is at equal distance from previous prime (40857083) and next prime (40857121).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1104228 + ... + 1104264.

It is an arithmetic number, because the mean of its divisors is an integer number (770735).

Almost surely, 2^40857102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40857102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55492920).

40857102 is an abundant number, since it is smaller than the sum of its proper divisors (70128738).

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

40857102 is a wasteful number, since it uses less digits than its factorization.

40857102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 40857102 is about 6391.9560386473. The cubic root of 40857102 is about 344.4206533766.

The spelling of 40857102 in words is "forty million, eight hundred fifty-seven thousand, one hundred two".