40365000 has 320 divisors, whose sum is σ = 157449600. Its totient is φ = 9504000.

The previous prime is 40364999. The next prime is 40365019. The reversal of 40365000 is 56304.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1754989 + ... + 1755011.

It is an arithmetic number, because the mean of its divisors is an integer number (492030).

Almost surely, 2^40365000 is an apocalyptic number.

40365000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40365000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78724800).

40365000 is an abundant number, since it is smaller than the sum of its proper divisors (117084600).

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

40365000 is a wasteful number, since it uses less digits than its factorization.

40365000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40365000 is about 6353.3455753642. The cubic root of 40365000 is about 343.0322765967.

The spelling of 40365000 in words is "forty million, three hundred sixty-five thousand".