1425351040 has 64 divisors (see below), whose sum is σ = 3412866960. Its totient is φ = 569239552.

The previous prime is 1425351029. The next prime is 1425351079. The reversal of 1425351040 is 401535241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1425350996 and 1425351014.

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, 527934 + ... + 530626.

Almost surely, 2^1425351040 is an apocalyptic number.

1425351040 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 1425351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706433480).

1425351040 is an abundant number, since it is smaller than the sum of its proper divisors (1987515920).

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

1425351040 is an equidigital number, since it uses as much as digits as its factorization.

1425351040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3527 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1425351040 is about 37753.8215284228. The cubic root of 1425351040 is about 1125.4009540363.

Adding to 1425351040 its reverse (401535241), we get a palindrome (1826886281).

The spelling of 1425351040 in words is "one billion, four hundred twenty-five million, three hundred fifty-one thousand, forty".