1485402040 has 32 divisors (see below), whose sum is σ = 3457404000. Its totient is φ = 573672064.

The previous prime is 1485401971. The next prime is 1485402043. The reversal of 1485402040 is 402045841.

It is a super-3 number, since 3×1485402040³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485402043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639100 + ... + 641419.

It is an arithmetic number, because the mean of its divisors is an integer number (108043875).

Almost surely, 2^1485402040 is an apocalyptic number.

1485402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485402040 is an abundant number, since it is smaller than the sum of its proper divisors (1972001960).

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

1485402040 is a wasteful number, since it uses less digits than its factorization.

1485402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280559 (or 1280555 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1485402040 is about 38540.9138448999. The cubic root of 1485402040 is about 1140.9886877940.

Adding to 1485402040 its reverse (402045841), we get a palindrome (1887447881).

The spelling of 1485402040 in words is "one billion, four hundred eighty-five million, four hundred two thousand, forty".