1486257402 has 64 divisors (see below), whose sum is σ = 3602154240. Its totient is φ = 399092736.

The previous prime is 1486257391. The next prime is 1486257407. The reversal of 1486257402 is 2047526841.

It is a super-2 number, since 2×1486257402² = 4417922129999579208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1486257407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790888 + ... + 792764.

It is an arithmetic number, because the mean of its divisors is an integer number (56283660).

Almost surely, 2^1486257402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1486257402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801077120).

1486257402 is an abundant number, since it is smaller than the sum of its proper divisors (2115896838).

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

1486257402 is a wasteful number, since it uses less digits than its factorization.

1486257402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 1486257402 is about 38552.0090527070. The cubic root of 1486257402 is about 1141.2076568152.

The spelling of 1486257402 in words is "one billion, four hundred eighty-six million, two hundred fifty-seven thousand, four hundred two".