153526040640 has 168 divisors, whose sum is σ = 603503634240. Its totient is φ = 35091661824.

The previous prime is 153526040621. The next prime is 153526040663. The reversal of 153526040640 is 46040625351.

153526040640 is a `hidden beast` number, since 1 + 5 + 3 + 5 + 2 + 6 + 0 + 4 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a junction number, because it is equal to n+sod(n) for n = 153526040595 and 153526040604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3787530 + ... + 3827849.

Almost surely, 2^153526040640 is an apocalyptic number.

153526040640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153526040640 is an abundant number, since it is smaller than the sum of its proper divisors (449977593600).

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

153526040640 is a wasteful number, since it uses less digits than its factorization.

153526040640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615409 (or 7615396 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 153526040640 its reverse (46040625351), we get a palindrome (199566665991).

The spelling of 153526040640 in words is "one hundred fifty-three billion, five hundred twenty-six million, forty thousand, six hundred forty".