40553516 has 6 divisors (see below), whose sum is σ = 70968660. Its totient is φ = 20276756.

The previous prime is 40553497. The next prime is 40553519. The reversal of 40553516 is 61535504.

It is a super-6 number, since 6×40553516⁶ (a number of 47 digits) contains 666666 as substring.

It is not an unprimeable number, because it can be changed into a prime (40553519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5069186 + ... + 5069193.

It is an arithmetic number, because the mean of its divisors is an integer number (11828110).

Almost surely, 2^40553516 is an apocalyptic number.

It is an amenable number.

40553516 is a deficient number, since it is larger than the sum of its proper divisors (30415144).

40553516 is a wasteful number, since it uses less digits than its factorization.

40553516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138383 (or 10138381 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 40553516 is about 6368.1642566755. The cubic root of 40553516 is about 343.5654667520.

The spelling of 40553516 in words is "forty million, five hundred fifty-three thousand, five hundred sixteen".