6155928291240 has 512 divisors, whose sum is σ = 25266047385600. Its totient is φ = 1298269762560.

The previous prime is 6155928291209. The next prime is 6155928291257. The reversal of 6155928291240 is 421928295516.

6155928291240 is a `hidden beast` number, since 6 + 1 + 5 + 592 + 8 + 2 + 9 + 1 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 249913725 + ... + 249938355.

It is an arithmetic number, because the mean of its divisors is an integer number (49347748800).

Almost surely, 2^{6155928291240} is an apocalyptic number.

6155928291240 is a gapful number since it is divisible by the number (60) 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 6155928291240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12633023692800).

6155928291240 is an abundant number, since it is smaller than the sum of its proper divisors (19110119094360).

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

6155928291240 is a wasteful number, since it uses less digits than its factorization.

6155928291240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214 (or 27204 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 6155928291240 in words is "six trillion, one hundred fifty-five billion, nine hundred twenty-eight million, two hundred ninety-one thousand, two hundred forty".