4245156051440 has 40 divisors (see below), whose sum is σ = 9870266158368. Its totient is φ = 1698014534400.

The previous prime is 4245156051421. The next prime is 4245156051449. The reversal of 4245156051440 is 441506515424.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245156051449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177390 + ... + 3637490.

Almost surely, 2^{4245156051440} is an apocalyptic number.

4245156051440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4245156051440 is an abundant number, since it is smaller than the sum of its proper divisors (5625110106928).

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

4245156051440 is a wasteful number, since it uses less digits than its factorization.

4245156051440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496457 (or 1496451 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 4245156051440 in words is "four trillion, two hundred forty-five billion, one hundred fifty-six million, fifty-one thousand, four hundred forty".