40378116 has 48 divisors (see below), whose sum is σ = 99646400. Its totient is φ = 12690432.

The previous prime is 40378081. The next prime is 40378139. The reversal of 40378116 is 61187304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93036 + ... + 93468.

Almost surely, 2^40378116 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 40378116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49823200).

40378116 is an abundant number, since it is smaller than the sum of its proper divisors (59268284).

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

40378116 is a wasteful number, since it uses less digits than its factorization.

40378116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40378116 is about 6354.3777035993. The cubic root of 40378116 is about 343.0694269672.

The spelling of 40378116 in words is "forty million, three hundred seventy-eight thousand, one hundred sixteen".