1955142510 has 32 divisors (see below), whose sum is σ = 4702510080. Its totient is φ = 520241568.

The previous prime is 1955142499. The next prime is 1955142551. The reversal of 1955142510 is 152415591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56490 + ... + 84269.

It is an arithmetic number, because the mean of its divisors is an integer number (146953440).

Almost surely, 2^1955142510 is an apocalyptic number.

1955142510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1955142510 is an abundant number, since it is smaller than the sum of its proper divisors (2747367570).

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

1955142510 is a wasteful number, since it uses less digits than its factorization.

1955142510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141232.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 1955142510 is about 44216.9934527439. The cubic root of 1955142510 is about 1250.4302540215.

The spelling of 1955142510 in words is "one billion, nine hundred fifty-five million, one hundred forty-two thousand, five hundred ten".