40025106 has 144 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 10686720.

The previous prime is 40025101. The next prime is 40025119. The reversal of 40025106 is 60152004.

It is a happy number.

It is a super-2 number, since 2×40025106² = 3204018220622472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 851575 + ... + 851621.

It is an arithmetic number, because the mean of its divisors is an integer number (746928).

Almost surely, 2^40025106 is an apocalyptic number.

40025106 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40025106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53778816).

40025106 is an abundant number, since it is smaller than the sum of its proper divisors (67532526).

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

40025106 is a wasteful number, since it uses less digits than its factorization.

40025106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40025106 is about 6326.5398125674. The cubic root of 40025106 is about 342.0667254644.

The spelling of 40025106 in words is "forty million, twenty-five thousand, one hundred six".