1541401550 has 48 divisors (see below), whose sum is σ = 3139955280. Its totient is φ = 559472640.

The previous prime is 1541401523. The next prime is 1541401553. The reversal of 1541401550 is 551041451.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541401553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18254 + ... + 58446.

It is an arithmetic number, because the mean of its divisors is an integer number (65415735).

Almost surely, 2^1541401550 is an apocalyptic number.

1541401550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1541401550 is an abundant number, since it is smaller than the sum of its proper divisors (1598553730).

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

1541401550 is a wasteful number, since it uses less digits than its factorization.

1541401550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40277 (or 40272 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1541401550 is about 39260.6870800805. The cubic root of 1541401550 is about 1155.1505710011.

The spelling of 1541401550 in words is "one billion, five hundred forty-one million, four hundred one thousand, five hundred fifty".