1540225536750 has 128 divisors (see below), whose sum is σ = 4272480576000. Its totient is φ = 410638183200.

The previous prime is 1540225536719. The next prime is 1540225536769. The reversal of 1540225536750 is 576355220451.

It is a happy number.

1540225536750 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 22 + 553 + 6 + 75 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1540225536696 and 1540225536705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34936221 + ... + 34980279.

It is an arithmetic number, because the mean of its divisors is an integer number (33378754500).

Almost surely, 2^{1540225536750} is an apocalyptic number.

1540225536750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1540225536750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136240288000).

1540225536750 is an abundant number, since it is smaller than the sum of its proper divisors (2732255039250).

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

1540225536750 is a wasteful number, since it uses less digits than its factorization.

1540225536750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49264 (or 49248 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 1540225536750 in words is "one trillion, five hundred forty billion, two hundred twenty-five million, five hundred thirty-six thousand, seven hundred fifty".