1541771140 has 96 divisors (see below), whose sum is σ = 4219375104. Its totient is φ = 459233280.

The previous prime is 1541771129. The next prime is 1541771141. The reversal of 1541771140 is 411771451.

1541771140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1541771141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6025 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (43951824).

Almost surely, 2^1541771140 is an apocalyptic number.

1541771140 is a gapful number since it is divisible by the number (10) 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 1541771140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109687552).

1541771140 is an abundant number, since it is smaller than the sum of its proper divisors (2677603964).

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

1541771140 is a wasteful number, since it uses less digits than its factorization.

1541771140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49877 (or 49875 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 1541771140 is about 39265.3936692350. The cubic root of 1541771140 is about 1155.2428891431.

The spelling of 1541771140 in words is "one billion, five hundred forty-one million, seven hundred seventy-one thousand, one hundred forty".