40381362 has 64 divisors (see below), whose sum is σ = 103184640. Its totient is φ = 11467008.

The previous prime is 40381357. The next prime is 40381373. The reversal of 40381362 is 26318304.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119658 + ... + 119994.

It is an arithmetic number, because the mean of its divisors is an integer number (1612260).

Almost surely, 2^40381362 is an apocalyptic number.

40381362 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40381362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51592320).

40381362 is an abundant number, since it is smaller than the sum of its proper divisors (62803278).

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

40381362 is a wasteful number, since it uses less digits than its factorization.

40381362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40381362 is about 6354.6331129342. The cubic root of 40381362 is about 343.0786198471.

Adding to 40381362 its reverse (26318304), we get a palindrome (66699666).

The spelling of 40381362 in words is "forty million, three hundred eighty-one thousand, three hundred sixty-two".