40005526 has 16 divisors (see below), whose sum is σ = 68909760. Its totient is φ = 17227080.

The previous prime is 40005479. The next prime is 40005541. The reversal of 40005526 is 62550004.

It is a super-2 number, since 2×40005526² = 3200884221073352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40005497 and 40005506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47436 + ... + 48271.

It is an arithmetic number, because the mean of its divisors is an integer number (4306860).

Almost surely, 2^40005526 is an apocalyptic number.

40005526 is a deficient number, since it is larger than the sum of its proper divisors (28904234).

40005526 is a wasteful number, since it uses less digits than its factorization.

40005526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95739.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40005526 is about 6324.9921739082. The cubic root of 40005526 is about 342.0109374886.

The spelling of 40005526 in words is "forty million, five thousand, five hundred twenty-six".