1455400450 has 96 divisors (see below), whose sum is σ = 3189081600. Its totient is φ = 493920000.

The previous prime is 1455400423. The next prime is 1455400451. The reversal of 1455400450 is 540045541.

It is not an unprimeable number, because it can be changed into a prime (1455400451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1937575 + ... + 1938325.

It is an arithmetic number, because the mean of its divisors is an integer number (33219600).

Almost surely, 2^1455400450 is an apocalyptic number.

1455400450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1455400450 is an abundant number, since it is smaller than the sum of its proper divisors (1733681150).

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

1455400450 is a wasteful number, since it uses less digits than its factorization.

1455400450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1455400450 is about 38149.7110080797. The cubic root of 1455400450 is about 1133.2546288098.

Adding to 1455400450 its reverse (540045541), we get a palindrome (1995445991).

The spelling of 1455400450 in words is "one billion, four hundred fifty-five million, four hundred thousand, four hundred fifty".