1254364380 has 240 divisors, whose sum is σ = 4282540416. Its totient is φ = 306063360.

The previous prime is 1254364379. The next prime is 1254364387. The reversal of 1254364380 is 834634521.

1254364380 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 3 + 643 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254364387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1018365 + ... + 1019595.

It is a vampire number, since it can be written as 28305 ⋅ 44316 (with its own digits).

Almost surely, 2^1254364380 is an apocalyptic number.

1254364380 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 1254364380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2141270208).

1254364380 is an abundant number, since it is smaller than the sum of its proper divisors (3028176036).

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

1254364380 is a wasteful number, since it uses less digits than its factorization.

1254364380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1295 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1254364380 is about 35417.0069316988. The cubic root of 1254364380 is about 1078.4695916264.

The spelling of 1254364380 in words is "one billion, two hundred fifty-four million, three hundred sixty-four thousand, three hundred eighty".