40698000 has 480 divisors, whose sum is σ = 181059840. Its totient is φ = 8294400.

The previous prime is 40697959. The next prime is 40698001. The reversal of 40698000 is 89604.

It is not an unprimeable number, because it can be changed into a prime (40698001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2141991 + ... + 2142009.

It is an arithmetic number, because the mean of its divisors is an integer number (377208).

Almost surely, 2^40698000 is an apocalyptic number.

40698000 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 40698000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90529920).

40698000 is an abundant number, since it is smaller than the sum of its proper divisors (140361840).

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

40698000 is a wasteful number, since it uses less digits than its factorization.

40698000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40698000 is about 6379.4984128848. The cubic root of 40698000 is about 343.9730013063.

The spelling of 40698000 in words is "forty million, six hundred ninety-eight thousand".