1954150000 has 360 divisors, whose sum is σ = 5797597680. Its totient is φ = 633600000.

The previous prime is 1954149991. The next prime is 1954150013. The reversal of 1954150000 is 514591.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102849991 + ... + 102850009.

It is an arithmetic number, because the mean of its divisors is an integer number (16104438).

Almost surely, 2^1954150000 is an apocalyptic number.

1954150000 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 1954150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898798840).

1954150000 is an abundant number, since it is smaller than the sum of its proper divisors (3843447680).

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

1954150000 is a wasteful number, since it uses less digits than its factorization.

1954150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1954150000 is about 44205.7688543023. The cubic root of 1954150000 is about 1250.2186284257.

Adding to 1954150000 its reverse (514591), we get a palindrome (1954664591).

The spelling of 1954150000 in words is "one billion, nine hundred fifty-four million, one hundred fifty thousand".