40698356 has 6 divisors (see below), whose sum is σ = 71222130. Its totient is φ = 20349176.

The previous prime is 40698341. The next prime is 40698379. The reversal of 40698356 is 65389604.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 10995856 = 5450^2 + 3316^2 .

It is a super-2 number, since 2×40698356² = 3312712362205472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5087291 + ... + 5087298.

It is an arithmetic number, because the mean of its divisors is an integer number (11870355).

Almost surely, 2^40698356 is an apocalyptic number.

It is an amenable number.

40698356 is a deficient number, since it is larger than the sum of its proper divisors (30523774).

40698356 is a wasteful number, since it uses less digits than its factorization.

40698356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174593 (or 10174591 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 40698356 is about 6379.5263147039. The cubic root of 40698356 is about 343.9740042552.

The spelling of 40698356 in words is "forty million, six hundred ninety-eight thousand, three hundred fifty-six".