4245540156000 has 1920 divisors, whose sum is σ = 18741298447872. Its totient is φ = 927521280000.

The previous prime is 4245540155887. The next prime is 4245540156001. The reversal of 4245540156000 is 6510455424.

4245540156000 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 5 + 40 + 1 + 5 + 600 + 0 = 666.

It is a super-2 number, since 2×4245540156000² (a number of 26 digits) contains 22 as substring.

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 (4245540156001) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1992274935 + ... + 1992277065.

Almost surely, 2^{4245540156000} is an apocalyptic number.

4245540156000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245540156000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9370649223936).

4245540156000 is an abundant number, since it is smaller than the sum of its proper divisors (14495758291872).

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

4245540156000 is a wasteful number, since it uses less digits than its factorization.

4245540156000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 4245540156000 in words is "four trillion, two hundred forty-five billion, five hundred forty million, one hundred fifty-six thousand".