1450405380 has 48 divisors (see below), whose sum is σ = 4079384064. Its totient is φ = 385036800.

The previous prime is 1450405373. The next prime is 1450405387. The reversal of 1450405380 is 835040541.

It is an interprime number because it is at equal distance from previous prime (1450405373) and next prime (1450405387).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1450405387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40821 + ... + 67580.

It is an arithmetic number, because the mean of its divisors is an integer number (84987168).

Almost surely, 2^1450405380 is an apocalyptic number.

1450405380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450405380 is an abundant number, since it is smaller than the sum of its proper divisors (2628978684).

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

1450405380 is a wasteful number, since it uses less digits than its factorization.

1450405380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108636 (or 108634 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1450405380 is about 38084.1880575128. The cubic root of 1450405380 is about 1131.9566642585.

The spelling of 1450405380 in words is "one billion, four hundred fifty million, four hundred five thousand, three hundred eighty".