40248155520 has 192 divisors, whose sum is σ = 147157676640. Its totient is φ = 10101473280.

The previous prime is 40248155491. The next prime is 40248155527. The reversal of 40248155520 is 2555184204.

40248155520 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 81 + 55 + 520 = 666.

40248155520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40248155527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107596 + ... + 303435.

Almost surely, 2^40248155520 is an apocalyptic number.

40248155520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40248155520 is an abundant number, since it is smaller than the sum of its proper divisors (106909521120).

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

40248155520 is a wasteful number, since it uses less digits than its factorization.

40248155520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411073 (or 411058 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 40248155520 in words is "forty billion, two hundred forty-eight million, one hundred fifty-five thousand, five hundred twenty".