1425290040 has 256 divisors, whose sum is σ = 4972492800. Its totient is φ = 362783232.

The previous prime is 1425290039. The next prime is 1425290089. The reversal of 1425290040 is 400925241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1425289986 and 1425290013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2182354 + ... + 2183006.

It is an arithmetic number, because the mean of its divisors is an integer number (19423800).

Almost surely, 2^1425290040 is an apocalyptic number.

1425290040 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 1425290040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486246400).

1425290040 is an abundant number, since it is smaller than the sum of its proper divisors (3547202760).

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

1425290040 is a wasteful number, since it uses less digits than its factorization.

1425290040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1425290040 is about 37753.0136545415. The cubic root of 1425290040 is about 1125.3848994094.

The spelling of 1425290040 in words is "one billion, four hundred twenty-five million, two hundred ninety thousand, forty".