1050451440 has 40 divisors (see below), whose sum is σ = 3256400208. Its totient is φ = 280120320.

The previous prime is 1050451439. The next prime is 1050451463. The reversal of 1050451440 is 441540501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1050451440² = 2206896455596147200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1050451440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188201 + ... + 2188680.

Almost surely, 2^1050451440 is an apocalyptic number.

1050451440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1050451440 is an abundant number, since it is smaller than the sum of its proper divisors (2205948768).

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

1050451440 is a wasteful number, since it uses less digits than its factorization.

1050451440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376897 (or 4376891 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1050451440 is about 32410.6686138993. The cubic root of 1050451440 is about 1016.5420000620.

Adding to 1050451440 its reverse (441540501), we get a palindrome (1491991941).

The spelling of 1050451440 in words is "one billion, fifty million, four hundred fifty-one thousand, four hundred forty".