40151648 has 12 divisors (see below), whose sum is σ = 79048620. Its totient is φ = 20075808.

The previous prime is 40151621. The next prime is 40151659. The reversal of 40151648 is 84615104.

It is a super-2 number, since 2×40151648² = 3224309674231808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40151648.

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, 627338 + ... + 627401.

It is an arithmetic number, because the mean of its divisors is an integer number (6587385).

Almost surely, 2^40151648 is an apocalyptic number.

It is an amenable number.

40151648 is a deficient number, since it is larger than the sum of its proper divisors (38896972).

40151648 is a wasteful number, since it uses less digits than its factorization.

40151648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254749 (or 1254741 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 40151648 is about 6336.5328058805. The cubic root of 40151648 is about 342.4268350296.

The spelling of 40151648 in words is "forty million, one hundred fifty-one thousand, six hundred forty-eight".