1425478457040 has 160 divisors (see below), whose sum is σ = 4839917225472. Its totient is φ = 344193600000.

The previous prime is 1425478457027. The next prime is 1425478457041. The reversal of 1425478457040 is 407548745241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425478457041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412966 + ... + 1738245.

Almost surely, 2^{1425478457040} is an apocalyptic number.

1425478457040 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 1425478457040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2419958612736).

1425478457040 is an abundant number, since it is smaller than the sum of its proper divisors (3414438768432).

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

1425478457040 is a wasteful number, since it uses less digits than its factorization.

1425478457040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151489 (or 2151483 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 51.

The spelling of 1425478457040 in words is "one trillion, four hundred twenty-five billion, four hundred seventy-eight million, four hundred fifty-seven thousand, forty".