1451551040 has 56 divisors (see below), whose sum is σ = 3515136480. Its totient is φ = 570771968.

The previous prime is 1451551027. The next prime is 1451551063. The reversal of 1451551040 is 401551541.

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, 19562 + ... + 57321.

Almost surely, 2^1451551040 is an apocalyptic number.

1451551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451551040 is an abundant number, since it is smaller than the sum of its proper divisors (2063585440).

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

1451551040 is an equidigital number, since it uses as much as digits as its factorization.

1451551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76959 (or 76949 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1451551040 is about 38099.2262388621. The cubic root of 1451551040 is about 1132.2546260529.

The spelling of 1451551040 in words is "one billion, four hundred fifty-one million, five hundred fifty-one thousand, forty".